Astronomers say the Vera C. Rubin Observatory has detected an asteroid that spins faster than other space rocks of its size.

How does a star affect the makeup of its planets? And what does this mean for the habitability of distant worlds? Carnegie's ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

The discovery of thousands more galaxies with stars ringing their main disks could help astronomers study galactic evolution ...